Home / 9,668.20-13,341.36-5,477.28

Finding the Fourth Proportional to 9,668.20, 13,341.36 and 5,477.28

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Solution

The fourth proportional to 9,668.20, 13,341.36 and 5,477.28 is: 7,558.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,668.20 : 13,341.36 = 5,477.28 : x
  2. Step 2: Convert to fraction form
    9,668.20/13,341.36 = 5,477.28/x
  3. Step 3: Cross multiply
    9,668.20x = 13,341.36 × 5,477.28
  4. Step 4: Simplify right side
    9,668.20x = 73,074,364.30
  5. Step 5: Solve for x
    x = 73,074,364.30/9,668.20
  6. Step 6: Final answer
    x = 7,558.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.